基本特点

The principal indicators for recognition of glacial event are presented ,based mainly on various features of the Luoquan Glacial Epoch of Late Sinian , combining with the features of the Nantuo and other glacial epoches .

本文以震旦纪末罗圈冰期的各种特征为基本依据，综合南沱冰期及其它冰期的特点，提出识别冰川事件的主要标志：1。分选性极差的杂砾岩；2。

Goldschmidt s gnomonic projection,a method of comparison with line and face about the identified visibility of the crystal face on gnomonic plane is given to search hidden line of mineral crystal shape.

根据图形消隐的基本原理，针对心射极平投影的特点，使用线、面比较法在极平投影面上判断晶面的可见性，进而消除矿物晶体形态图中的隐藏线。

First, the basic concept of VR and review of the present research method of architecture presentation are introduced, it proves that VR is necessary and reliable to represent architecture as a new method. Second, geometrical optimized method and texture optimized method are discussed specially, along with the analysis of characteristic of ancient and modern architectures. In the third part, the exhibition effect of optimized technique proved that the technique proposed in this dissertation is feasible and valid, which is applied in the Grand Leshan Buddha and Olympic Park separately.

全文分三部分，第一部分主要通过对虚拟现实基本概念的介绍和对已有建筑表现应用研究的简要回顾，阐明VR作为建筑表现新手段的必要性与可行性；第二部分则具体分析古代建筑与现代建筑特点，深入探讨几何优化建模与纹理优化建模；第三部分别结合乐山大佛古建筑群仿真案例与平度奥林匹克现代建筑仿真案例展示优化技术效果，充分证明本文提出的优化建模技术的可行性与有效性。

In this paper, the basic concept of grid, grid definition of net格特, grid computing in detail, and the current grid mesh architecture and the application of innovative research.

本文对网格技术的基本概念、网格定义、网格特点、网格计算进行了详细的介绍，并对目前网格的体系结构和网格的应用进行了创新研究。

According to the structural characteristics, Hanzi components are divided into three categories: the basic component, the compound component and the complex component.

根据形体结构的特点，我们把汉字的部件分为基本部件、复合部件和复杂部件三类。

The principle, characteristic and design methods of programmable logic device and hardware description language are described in this paper.

简要地介绍了可编程逻辑器件的基本原理、特点、设计开发以及硬件描述语言VHDL。

The first part discusses the background of Hasidism"s produce in Europe, introduces the Hasidism"s character of the faith, basic doctrines, transmigration into the America and the early situation of development and introduces readers an outline of the Hasidism.

论文分三部分加以阐述，第一部分主要介绍了哈西德派在欧洲产生的历史背景，宗教信仰的特点、基本教义及其早期移民在美国发展的情况，使人们对哈西德派有一个总体的认识。

The basic design principles for the hemicycle deep trough belt conveyor were proposed on the study of its working principle which can convey at high-angle.

研究半圆形深槽带式输送机可以实现大倾角输送的工作原理，并得出了半圆形深槽带式输送机的基本设计原则；在理论分析的基础上，给出了合理的托辊组布置方案；通过半圆形深槽带式输送机与其他形式带式输送机的比较，总结了半圆形深槽带式输送机的特点。

The approach of drawing view method put forwarded by this paper is to drawobject basic views by removing the hidden lines on the screen by visiualplanes. Which is of high accuracy and high speed, less information quantity treatedby human, etc. Saying a lot of inconvenience if hidden lines were removed byhuman, thus the results are satisfactory.

本文提供的视图成图方法，是用平面立体消隐算法在微机上绘制基本视图，省去了以往由人工消隐给用户造成的诸多不便，并具有绘图精度高、速度快，人工处理的信息量少等特点，效果令人满意。

Secondly, owing to high sediment load, Yellow River demands more water as "the fundamental water flow of maintaining its own life" than other major rivers in the world.

其次，与其他河流相比，多沙的特点使得黄河需要更多的"维护河流自身生命的基本流量"。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。